Sylvain Simard <sylvain(at)luxolith(dot)com> writes:
> At begin, with a new database the pg_log are 40k
> After many days my pg_log is come 3884k
pg_log grows at the rate of 2 bits per transaction.
> It's possible to initialize it? If yes how...
dump ... initdb ... reload.
> It's possible to do anything to don't pg_log come bigger and bigger...
Try to use fewer transactions, if two bits per concerns you.
regards, tom lane